The "Russian avant garde", it's usually called, though the artists themselves didn't use the term; they were known as the futurists, then productivists, and most consistently, constructivists. Even the "Russian" is a misnomer – the individuals in question were frequently Ukrainian, Latvian, Belarussian, Georgian. "Soviet" doesn't quite work either, as they emerged slightly before the October revolution, out of the futurist cafés and cabarets of the mid-1910s.
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